Take in a lot of fluids and instead of taking two heavy meals, take small, frequent meals. Include extra salt in the diet for a hypotensive.  On rising in the morning do not get up with a jerk. Stretch-up before rising, contracting and relaxing the muscles in the body. Arm exercises are particularly effective at raising the blood pressure.

HOME REMEDIES AND PREVENTIONS 
1. Take a high-protein diet, which includes organ meat, potatoes, green leafy vegetables, soybeans and wheat germ.

2. A diet containing adequate quantities of proteins, B vitamins (especially pantothenic acid), vitamin C and the nutrients that stimulate adrenal production, quickly normalize the low pressure.

3. Take in atleast two glasses of raw beetroot juice daily.  Considerable improvement will be seen within a few days time.

4. Add cayenne pepper to all your food. Having ginger tea with a pinch of cayenne pepper thrice daily also helps.

5. Eat six dates daily in the morning.

6. Increase the intake of cucumbers, cabbage, sweet potatoes, peas, tomatoes, onions, dates, citrus fruits, raisins and whole grains.

7. Drink four to five glasses of fresh limejuice without any sugar and salt, daily.

8. Take in a lot of apricots and dark raisins throughout the day.